it is governor brown's tax initiative to raise money for schools and colleges. a new field poll finds 48% are in favor of this tax initiative. 48% are opposed. 14% are undecided. prop 30 would hike the state sales tax by a quarter cent for four years, raising about $6 billion a year and help close the state's budget deficit. >> new at 6:00, san francisco police showed the suspect who beat and kicked a muni station agent last month. they want the public's help in identifying this man. the pictures show a tall, slender man about 35 to 30 years old carrying a bike or black suitcase. you see him right here. the victim, a 55-year-old station agent told the man that bikes are not allowed in the station. the suspect repeatedly ignored him as he made his way to the muni platform. once there the detectives say the man turned on the agent, kicking him and punching him, forcing him to the ground. he has not been able to return to work. >> if you know there could be a reward in your future. a fund is being established. investigators say robbery was the motive for last night